2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
9 * http://www.apache.org/licenses/LICENSE-2.0
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14 * See the License for the specific language governing permissions and
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20 import java.security.Key;
23 * A cryptographic secret (symmetric) key.
25 * This interface is a <i>marker interface</i> to group secret keys and to
26 * provide type safety for.
28 * Implementations of this interface have to overwrite the
29 * {@link Object#equals(Object) equals} and {@link Object#hashCode() hashCode}
30 * from {@link java.lang.Object} so comparison is done using the actual key data
31 * and not the object reference.
33 public interface SecretKey extends Key {
36 * The serialization version identifier.
40 public static final long serialVersionUID = -4795878709595146952L;